WO1994027406A3 - Video copy protection process enhancement to introduce horizontal and vertical picture distortions - Google Patents
Video copy protection process enhancement to introduce horizontal and vertical picture distortions Download PDFInfo
- Publication number
- WO1994027406A3 WO1994027406A3 PCT/US1994/005088 US9405088W WO9427406A3 WO 1994027406 A3 WO1994027406 A3 WO 1994027406A3 US 9405088 W US9405088 W US 9405088W WO 9427406 A3 WO9427406 A3 WO 9427406A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- picture
- horizontal
- vertical
- enhancements
- causes
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/171—Systems operating in the amplitude domain of the television signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91314—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91371—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video color burst signal being modified
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91378—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video line number being modulated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91385—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video frame number being modulated
Abstract
Priority Applications (17)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ267775A NZ267775A (en) | 1993-05-17 | 1994-05-09 | Enhancement of video signal copy protection |
EP94919117A EP0706740B2 (en) | 1993-05-17 | 1994-05-09 | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
DE69420964T DE69420964T3 (en) | 1993-05-17 | 1994-05-09 | IMPROVING A PROCESS FOR VIDEO COPY PROTECTION TO IMPROVE HORIZONTAL AND VERTICAL PICTURE DISTORTION |
PL94324850A PL175346B1 (en) | 1993-05-17 | 1994-05-09 | Method of and apparatus for doing away the consequences of initial protecting video signals against unauthorised copying |
JP52559794A JP3272363B2 (en) | 1993-05-17 | 1994-05-09 | Enhanced video copy protection processing for horizontal and vertical image distortion |
DK94919117T DK0706740T4 (en) | 1993-05-17 | 1994-05-09 | Improving video copy protection method for introducing horizontal and vertical image distortions |
RU95122715/09A RU2130237C1 (en) | 1993-05-17 | 1994-05-09 | Facilitated copy-protection method which adds horizontal and vertical distortions in image |
PL94311704A PL174624B1 (en) | 1993-05-17 | 1994-05-09 | Method of and apparatus for protecting video cassettes against copying by introducing vertical and horizontal image distortions |
PL94324849A PL175324B1 (en) | 1993-05-17 | 1994-05-09 | Method of and apparatus for doing away the consequences of protecting video signals against unauthorised copying |
AU70171/94A AU7017194A (en) | 1993-05-17 | 1994-05-09 | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
PL94324847A PL174901B1 (en) | 1993-05-17 | 1994-05-09 | Method of and apparatus for clearing away the modification increasing degree of protecting a video signal against copying |
PL94324851A PL175330B1 (en) | 1993-05-17 | 1994-05-09 | Method of and apparatus for increasing degree of protection against copying already protected video signals |
CA002162367A CA2162367C (en) | 1993-05-17 | 1994-05-09 | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
BR9406527A BR9406527A (en) | 1993-05-17 | 1994-05-09 | Process for modifying video signal subject to copy protection, process for intensifying video copy protection process, apparatus for modifying video signal subject to copy protection, process for intensifying copy protection for video signal apparatus for narrowing the wrists line synchronization in video signal process of overriding copy protection of pulses added to video signal process of overriding video copy protection scheme |
PL94324848A PL174897B1 (en) | 1993-05-17 | 1994-05-09 | Method of and apparatus for clearing away the pulses increasing degree of protecting a video signal against copying |
HK98114982A HK1013756A1 (en) | 1993-05-17 | 1998-12-23 | Video copy protection process enhancement to introduce horizontal and vertical picture disortions |
GR990403269T GR3032183T3 (en) | 1993-05-17 | 1999-12-17 | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US062,866 | 1993-05-17 | ||
US08/062,866 US5583936A (en) | 1993-05-17 | 1993-05-17 | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1994027406A2 WO1994027406A2 (en) | 1994-11-24 |
WO1994027406A3 true WO1994027406A3 (en) | 1995-01-19 |
Family
ID=22045356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1994/005088 WO1994027406A2 (en) | 1993-05-17 | 1994-05-09 | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
Country Status (22)
Country | Link |
---|---|
US (13) | US5583936A (en) |
EP (3) | EP0923240B1 (en) |
JP (2) | JP3272363B2 (en) |
KR (2) | KR100397122B1 (en) |
CN (3) | CN1078425C (en) |
AT (2) | ATE221713T1 (en) |
AU (1) | AU7017194A (en) |
BR (1) | BR9406527A (en) |
CA (1) | CA2162367C (en) |
DE (2) | DE69420964T3 (en) |
DK (1) | DK0706740T4 (en) |
EG (1) | EG20806A (en) |
ES (1) | ES2136200T5 (en) |
GR (1) | GR3032183T3 (en) |
HK (2) | HK1013756A1 (en) |
ID (5) | ID19989A (en) |
MY (1) | MY112706A (en) |
NZ (1) | NZ267775A (en) |
PL (6) | PL174624B1 (en) |
RU (1) | RU2130237C1 (en) |
TW (1) | TW232110B (en) |
WO (1) | WO1994027406A2 (en) |
Cited By (4)
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US6658568B1 (en) | 1995-02-13 | 2003-12-02 | Intertrust Technologies Corporation | Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management |
US7917749B2 (en) | 1995-02-13 | 2011-03-29 | Intertrust Technologies Corporation | Systems and methods for secure transaction management and electronic rights protection |
US7925898B2 (en) | 1996-08-12 | 2011-04-12 | Intertrust Technologies Corp. | Systems and methods using cryptography to protect secure computing environments |
US8533851B2 (en) | 1996-08-30 | 2013-09-10 | Intertrust Technologies Corporation | Systems and methods for secure transaction management and electronic rights protection |
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US5583936A (en) * | 1993-05-17 | 1996-12-10 | Macrovision Corporation | Video copy protection process enhancement to introduce horizontal and vertical picture distortions |
ES2157431T3 (en) * | 1995-04-07 | 2001-08-16 | Trevor Franklin | METHOD AND APPARATUS FOR THE TREATMENT OF A VIDEO SIGNAL. |
NZ323128A (en) * | 1995-10-17 | 1998-09-24 | Macrovision Corp | Digitally removing video copy protection pulses |
US20010011253A1 (en) | 1998-08-04 | 2001-08-02 | Christopher D. Coley | Automated system for management of licensed software |
DE69739818D1 (en) * | 1996-05-08 | 2010-05-06 | Macrovision Corp | METHOD AND APPENDIX FOR MODIFYING A VIDEO SIGNAL TO UNDERTAKE THE MANUFACTURE OF ACCEPTABLE VIDEO RECORDING |
JP3500026B2 (en) * | 1997-01-27 | 2004-02-23 | 矢崎総業株式会社 | Data modulation device and data modulation method |
US6188832B1 (en) | 1997-05-07 | 2001-02-13 | Microvision Corp | Method and apparatus for modifications made to a video signal to inhibit the making of acceptable videotape recordings |
US6356704B1 (en) * | 1997-06-16 | 2002-03-12 | Ati Technologies, Inc. | Method and apparatus for detecting protection of audio and video signals |
KR100230301B1 (en) | 1997-07-02 | 1999-11-15 | 윤종용 | Digital video camera for preventing picture distortion and method for processing therefor when video signal is searched |
DE29713849U1 (en) * | 1997-07-25 | 1997-10-02 | Ellerbrok Ingrid | Copy protection decoder |
ES2181288T3 (en) * | 1997-10-08 | 2003-02-16 | Macrovision Corp | METHOD AND APPLIANCE TO GENERATE A WATER BRAND TO COPY ONLY FOR VIDEO RECORDINGS. |
US6091822A (en) * | 1998-01-08 | 2000-07-18 | Macrovision Corporation | Method and apparatus for recording scrambled video audio signals and playing back said video signal, descrambled, within a secure environment |
US6459795B1 (en) * | 1998-02-26 | 2002-10-01 | Macrovision Corporation | Method and apparatus for enhancing the scrambling of a TV signal via erroneous clamp signals |
US6766105B1 (en) * | 1998-03-27 | 2004-07-20 | Sanyo Electric Co., Ltd. | Digital VTR |
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EP1480455A1 (en) * | 1998-09-02 | 2004-11-24 | Macrovision Corporation | Method and apparatus of synthesizing copy protection signals in a video signal |
US6836549B1 (en) * | 1998-09-02 | 2004-12-28 | Macrovision Corporation | Method and apparatus for synthesizing and reducing the effects of video copy protection signals |
ATE273595T1 (en) * | 1998-09-02 | 2004-08-15 | Macrovision Corp | METHOD AND APPARATUS FOR PRODUCING AND DEFAULTING VIDEO COPY PROTECTION SIGNALS |
US6976265B1 (en) * | 1998-10-08 | 2005-12-13 | Ati International Srl | Method and apparatus for controlling display of content signals |
DE69920273T2 (en) | 1998-11-12 | 2005-09-22 | Broadcom Corp., Irvine | INTEGRATED TUNER ARCHITECTURE |
US6690880B1 (en) * | 1999-05-21 | 2004-02-10 | Ati International, Srl | Method and apparatus for copy protection detection in a video signal |
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US7050698B1 (en) * | 2000-08-15 | 2006-05-23 | Macrovision Corporation | Method and apparatus for synthesizing or modifying a copy protection signal using a lowered signal level portion |
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US20110081129A1 (en) | 2009-10-07 | 2011-04-07 | Rovi Technologies Corporation | Broadband recording method and apparatus for video and/or audio programs |
US20110135277A1 (en) * | 2009-12-09 | 2011-06-09 | Rovi Technologies Corporation | Method and Apparatus for Providing in a Receiver a Copy Protection Signal That Negates a Circumvention Device and or Provides Improved Playability |
US8374490B2 (en) * | 2010-02-24 | 2013-02-12 | Rovi Technologies Corporation | Method and apparatus for receiving metadata, EPG, or IPG signals in an integrated circuit for control purposes |
US8306403B2 (en) | 2010-03-29 | 2012-11-06 | Rovi Technologies Corporation | Content control via guide data and/or metadata |
US9049073B2 (en) | 2011-06-28 | 2015-06-02 | Rovi Guides, Inc. | Systems and methods for initializing allocations of transport streams based on historical data |
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-
1993
- 1993-05-17 US US08/062,866 patent/US5583936A/en not_active Expired - Lifetime
- 1993-10-18 TW TW082108633A patent/TW232110B/en not_active IP Right Cessation
-
1994
- 1994-05-09 EP EP99104609A patent/EP0923240B1/en not_active Expired - Lifetime
- 1994-05-09 ES ES94919117T patent/ES2136200T5/en not_active Expired - Lifetime
- 1994-05-09 JP JP52559794A patent/JP3272363B2/en not_active Expired - Lifetime
- 1994-05-09 AT AT99104610T patent/ATE221713T1/en not_active IP Right Cessation
- 1994-05-09 AT AT94919117T patent/ATE185225T1/en active
- 1994-05-09 CA CA002162367A patent/CA2162367C/en not_active Expired - Lifetime
- 1994-05-09 PL PL94311704A patent/PL174624B1/en unknown
- 1994-05-09 DE DE69420964T patent/DE69420964T3/en not_active Expired - Lifetime
- 1994-05-09 DE DE69431133T patent/DE69431133T2/en not_active Expired - Lifetime
- 1994-05-09 DK DK94919117T patent/DK0706740T4/en active
- 1994-05-09 EP EP99104610A patent/EP0923241B1/en not_active Expired - Lifetime
- 1994-05-09 EP EP94919117A patent/EP0706740B2/en not_active Expired - Lifetime
- 1994-05-09 KR KR10-2001-7010820A patent/KR100397122B1/en not_active IP Right Cessation
- 1994-05-09 AU AU70171/94A patent/AU7017194A/en not_active Abandoned
- 1994-05-09 PL PL94324848A patent/PL174897B1/en unknown
- 1994-05-09 BR BR9406527A patent/BR9406527A/en not_active IP Right Cessation
- 1994-05-09 PL PL94324851A patent/PL175330B1/en unknown
- 1994-05-09 CN CN94192796A patent/CN1078425C/en not_active Expired - Lifetime
- 1994-05-09 PL PL94324849A patent/PL175324B1/en unknown
- 1994-05-09 WO PCT/US1994/005088 patent/WO1994027406A2/en active IP Right Grant
- 1994-05-09 NZ NZ267775A patent/NZ267775A/en not_active IP Right Cessation
- 1994-05-09 RU RU95122715/09A patent/RU2130237C1/en not_active IP Right Cessation
- 1994-05-09 KR KR1019950705200A patent/KR100353565B1/en not_active IP Right Cessation
- 1994-05-09 PL PL94324847A patent/PL174901B1/en unknown
- 1994-05-09 PL PL94324850A patent/PL175346B1/en unknown
- 1994-05-12 MY MYPI94001189A patent/MY112706A/en unknown
- 1994-05-16 EG EG27894A patent/EG20806A/en active
- 1994-05-17 ID IDP981102A patent/ID19989A/en unknown
- 1994-05-17 ID IDP981101A patent/ID19988A/en unknown
- 1994-05-17 ID IDP981100A patent/ID19987A/en unknown
- 1994-05-17 ID IDP981103A patent/ID19985A/en unknown
- 1994-05-17 ID IDP981104A patent/ID19986A/en unknown
-
1995
- 1995-05-02 US US08/433,283 patent/US5625691A/en not_active Expired - Lifetime
- 1995-05-05 US US08/435,575 patent/US5633927A/en not_active Expired - Lifetime
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1996
- 1996-12-04 US US08/753,970 patent/US5748733A/en not_active Expired - Lifetime
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1997
- 1997-06-10 JP JP15250697A patent/JP3425850B2/en not_active Expired - Lifetime
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1998
- 1998-05-01 US US09/070,958 patent/US6285765B1/en not_active Expired - Lifetime
- 1998-12-23 HK HK98114982A patent/HK1013756A1/en not_active IP Right Cessation
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1999
- 1999-12-17 GR GR990403269T patent/GR3032183T3/en unknown
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2000
- 2000-12-07 US US09/733,659 patent/US6501842B2/en not_active Expired - Lifetime
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2001
- 2001-06-08 CN CNB011211032A patent/CN1208956C/en not_active Expired - Lifetime
- 2001-06-08 CN CNB011211040A patent/CN1200561C/en not_active Expired - Lifetime
- 2001-09-26 US US09/965,345 patent/US7085380B2/en not_active Expired - Fee Related
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2002
- 2002-08-30 HK HK02106421.4A patent/HK1045043B/en not_active IP Right Cessation
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2005
- 2005-08-16 US US11/206,093 patent/US7352863B2/en not_active Expired - Fee Related
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2007
- 2007-05-07 US US11/800,905 patent/US7492896B2/en not_active Expired - Fee Related
- 2007-05-07 US US11/801,099 patent/US7620178B2/en not_active Expired - Fee Related
- 2007-05-07 US US11/800,896 patent/US7706533B2/en not_active Expired - Fee Related
- 2007-10-10 US US11/870,057 patent/US20080025696A1/en not_active Abandoned
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2009
- 2009-10-06 US US12/574,646 patent/US20100021133A1/en not_active Abandoned
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US6658568B1 (en) | 1995-02-13 | 2003-12-02 | Intertrust Technologies Corporation | Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management |
US7917749B2 (en) | 1995-02-13 | 2011-03-29 | Intertrust Technologies Corporation | Systems and methods for secure transaction management and electronic rights protection |
US8543842B2 (en) | 1995-02-13 | 2013-09-24 | Intertrust Technologies Corporation | System and methods for secure transaction management and electronics rights protection |
US7925898B2 (en) | 1996-08-12 | 2011-04-12 | Intertrust Technologies Corp. | Systems and methods using cryptography to protect secure computing environments |
US8533851B2 (en) | 1996-08-30 | 2013-09-10 | Intertrust Technologies Corporation | Systems and methods for secure transaction management and electronic rights protection |
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